Sha'Carri Richardson walked the red carpet at this year's ESPY Awards on Saturday.The 21-year-old sprinter shined in a shimmering ensemble as she posed for photos outside The Rooftop at Pier 17 at the Seaport in New York City.The appearance marks Richardson's first public appearance since she was disqualified from competing in the 100-meter event at the 2020 Tokyo Olympics after testing positive for THC.